/* =========================================================
   NIRAJ MAHTO — 3D PORTFOLIO
   ========================================================= */
:root{
  --bg:#07090d;
  --bg-2:#0b0f16;
  --panel:rgba(14,18,26,.72);
  --line:rgba(255,255,255,.10);
  --line-bright:rgba(255,255,255,.18);
  --text:#f3f5f7;
  --muted:#8f98a7;
  --cyan:#6cf6ff;
  --green:#a8ff78;
  --violet:#b99cff;
  --orange:#ffb16c;
  --mono:"DM Mono",monospace;
  --sans:"Space Grotesk",system-ui,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);overflow-x:hidden}
body::selection{background:var(--cyan);color:#05070a}
a{color:inherit;text-decoration:none}
button,a{font:inherit}
.noise{position:fixed;inset:-50%;z-index:100;pointer-events:none;opacity:.035;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");animation:noise .18s steps(2) infinite}
@keyframes noise{0%{transform:translate(0,0)}25%{transform:translate(2%,-1%)}50%{transform:translate(-1%,2%)}75%{transform:translate(1%,1%)}100%{transform:translate(-2%,0)}}
.loader{position:fixed;inset:0;background:#05070a;z-index:999;display:grid;place-items:center;transition:opacity .8s var(--ease),visibility .8s}
.loader.done{opacity:0;visibility:hidden}
.loader__inner{width:min(420px,80vw);font-family:var(--mono)}
.loader__brand{display:block;font-family:var(--sans);font-size:64px;font-weight:700;letter-spacing:-.08em}
.loader__line{height:1px;background:#202631;margin:22px 0 12px;overflow:hidden}
.loader__line i{display:block;width:100%;height:100%;background:var(--cyan);transform:translateX(-100%);animation:load 1.3s var(--ease) forwards}
.loader__status{font-size:10px;letter-spacing:.18em;color:#697384}
@keyframes load{to{transform:none}}
.cursor{position:fixed;pointer-events:none;z-index:200;mix-blend-mode:difference;border-radius:50%;display:none}
.cursor--outer{width:34px;height:34px;border:1px solid #fff;transform:translate(-50%,-50%);transition:width .25s,height .25s}
.cursor--inner{width:6px;height:6px;background:#fff;transform:translate(-50%,-50%)}
@media(pointer:fine){.cursor{display:block}}
.scroll-progress{position:fixed;top:0;left:0;width:100%;height:2px;z-index:150;background:transparent}
.scroll-progress span{display:block;height:100%;width:0;background:var(--cyan);box-shadow:0 0 16px var(--cyan)}
.nav{position:fixed;z-index:90;top:0;left:0;width:100%;height:76px;padding:0 4vw;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(180deg,rgba(7,9,13,.86),transparent);backdrop-filter:blur(10px)}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--mono);font-size:11px;letter-spacing:.1em}
.brand__mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line-bright);border-radius:10px;color:var(--cyan);box-shadow:inset 0 0 20px rgba(108,246,255,.08)}
.brand__text{color:#b8c0cd}
.nav__links{display:flex;gap:30px;font-family:var(--mono);font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em}
.nav__links a{transition:color .25s}
.nav__links a:hover{color:var(--cyan)}
.nav__status{font-family:var(--mono);font-size:9px;letter-spacing:.12em;border:1px solid var(--line);border-radius:999px;padding:10px 13px;background:rgba(255,255,255,.025)}
.pulse{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);margin-right:7px;animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.3;transform:scale(.7)}}
.section{position:relative;padding:130px 7vw;overflow:hidden}
.hero{min-height:100vh;display:flex;align-items:center;padding-top:130px}
#space{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:80px 80px;mask-image:linear-gradient(90deg,black,transparent 80%);z-index:0}
.hero__content{position:relative;z-index:2;width:55%;max-width:850px}
.eyebrow{font-family:var(--mono);font-size:10px;letter-spacing:.17em;color:#798394;text-transform:uppercase}
.eyebrow span{color:var(--cyan);margin-right:10px}
.hero__title{font-size:clamp(58px,8vw,126px);line-height:.88;letter-spacing:-.075em;margin:24px 0 30px;max-width:900px}
.hero__title--accent{color:transparent;-webkit-text-stroke:1px rgba(243,245,247,.72);position:relative}
.hero__title--accent::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--cyan),var(--green));-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.9}
.hero__lead{font-size:clamp(16px,1.5vw,21px);line-height:1.65;color:#a5adba;max-width:680px}
.hero__actions{display:flex;gap:12px;margin:38px 0 55px}
.btn{display:inline-flex;align-items:center;gap:30px;padding:15px 18px;border-radius:12px;border:1px solid var(--line);font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;transition:transform .3s var(--ease),border-color .3s,background .3s}
.btn--primary{background:var(--text);color:#080a0e;border-color:var(--text)}
.btn--primary:hover{background:var(--cyan);border-color:var(--cyan)}
.btn--ghost:hover{border-color:var(--cyan);background:rgba(108,246,255,.05)}
.hero__telemetry{display:flex;gap:40px;font-family:var(--mono)}
.hero__telemetry div{display:flex;flex-direction:column;gap:6px}
.hero__telemetry b{font-size:24px;letter-spacing:-.04em}
.hero__telemetry span{font-size:9px;color:#697384;text-transform:uppercase;letter-spacing:.12em}
.hero__portrait-wrap{position:absolute;right:4vw;top:50%;transform:translateY(-50%);z-index:3;width:min(38vw,500px);height:650px;perspective:1200px}
.hero__portrait-glow{position:absolute;inset:10% 10% 0;border-radius:50%;background:radial-gradient(circle,rgba(108,246,255,.18),transparent 65%);filter:blur(30px)}
.hero__portrait-card{position:absolute;inset:0;border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:10px;background:linear-gradient(145deg,rgba(255,255,255,.11),rgba(255,255,255,.025));box-shadow:0 40px 120px rgba(0,0,0,.55),inset 0 1px rgba(255,255,255,.13);transform-style:preserve-3d;will-change:transform;overflow:hidden}
.portrait__topline,.portrait__meta{position:absolute;z-index:2;left:28px;right:28px;display:flex;justify-content:space-between;font:9px var(--mono);letter-spacing:.12em}
.portrait__topline{top:26px;color:#d1d7df}
.portrait__meta{bottom:25px;align-items:end}
.portrait__meta div{display:flex;flex-direction:column;gap:5px}
.portrait__meta strong{font:600 15px var(--sans);letter-spacing:.08em}
.portrait__meta span{font:9px var(--mono);color:#8f98a7}
.portrait__dot{width:8px;height:8px;background:var(--green);border-radius:50%;box-shadow:0 0 16px var(--green);margin-bottom:4px}
.portrait__image{height:100%;border-radius:17px;overflow:hidden;background:#12161d;position:relative}
.portrait__image img{width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(.88) contrast(1.05)}
.scanline{position:absolute;left:0;right:0;height:1px;background:rgba(108,246,255,.6);box-shadow:0 0 20px var(--cyan);top:25%;animation:scan 5s ease-in-out infinite}
@keyframes scan{0%,100%{top:18%;opacity:0}20%{opacity:1}80%{opacity:1}90%{top:85%;opacity:0}}
.floating-chip{position:absolute;z-index:5;padding:9px 12px;border:1px solid var(--line-bright);background:rgba(8,11,16,.82);backdrop-filter:blur(10px);border-radius:10px;box-shadow:0 15px 40px rgba(0,0,0,.35);font:9px var(--mono);display:flex;gap:8px}
.floating-chip span{color:#6f7988}.floating-chip b{color:var(--cyan)}
.chip--one{left:-32px;top:24%;animation:float 5s ease-in-out infinite}
.chip--two{right:-24px;top:48%;animation:float 6s .5s ease-in-out infinite}
.chip--three{left:4%;bottom:12%;animation:float 5.5s 1s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-12px) rotate(1deg)}}
.hero__side-note{position:absolute;bottom:34px;left:7vw;z-index:2;font:9px var(--mono);color:#626d7c;letter-spacing:.16em;writing-mode:vertical-rl}
.section-head{display:grid;grid-template-columns:80px 1fr 280px;gap:30px;align-items:end;border-bottom:1px solid var(--line);padding-bottom:34px;margin-bottom:70px}
.section-number{font:12px var(--mono);color:var(--cyan)}
.section-head h2{font-size:clamp(40px,5vw,76px);letter-spacing:-.065em;margin:9px 0 0;line-height:.95}
.section-head p{font-size:13px;line-height:1.6;color:#7f8897;margin:0}
.stack-section{background:linear-gradient(180deg,var(--bg),#090d13)}
.stack-layout{display:grid;grid-template-columns:42% 58%;gap:6vw;align-items:center}
.stack-orbit{height:530px;position:relative;display:grid;place-items:center;transform-style:preserve-3d}
.orbit{position:absolute;border:1px solid rgba(108,246,255,.14);border-radius:50%;transform:rotateX(68deg)}
.orbit--outer{width:500px;height:500px;animation:spin 16s linear infinite}
.orbit--mid{width:350px;height:350px;border-color:rgba(168,255,120,.16);animation:spinReverse 11s linear infinite}
.orbit--inner{width:210px;height:210px;border-color:rgba(185,156,255,.2);animation:spin 8s linear infinite}
@keyframes spin{to{transform:rotateX(68deg) rotateZ(360deg)}}
@keyframes spinReverse{to{transform:rotateX(68deg) rotateZ(-360deg)}}
.orbit-core{width:110px;height:110px;border:1px solid rgba(108,246,255,.35);border-radius:50%;display:grid;place-items:center;font-size:26px;font-weight:700;box-shadow:0 0 70px rgba(108,246,255,.13),inset 0 0 40px rgba(108,246,255,.08)}
.orbit-tag{position:absolute;padding:7px 9px;background:#0c1118;border:1px solid var(--line);font:9px var(--mono);color:#aab3c0;border-radius:7px;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.tag-1{top:8%;left:48%}.tag-2{top:31%;right:0}.tag-3{bottom:13%;right:10%}.tag-4{bottom:6%;left:32%}.tag-5{top:45%;left:0}.tag-6{top:17%;left:15%}
.stack-list{border-top:1px solid var(--line)}
.stack-row{display:grid;grid-template-columns:50px 1fr 30px;gap:18px;padding:27px 0;border-bottom:1px solid var(--line);align-items:start;transition:padding .35s var(--ease),background .35s}
.stack-row:hover{padding-left:15px;padding-right:15px;background:rgba(255,255,255,.025)}
.stack-index{font:10px var(--mono);color:#667080;padding-top:5px}
.stack-row h3{font-size:21px;margin:0 0 8px;letter-spacing:-.03em}
.stack-row p{margin:0;color:#7f8897;font:11px/1.8 var(--mono);max-width:650px}
.stack-arrow{color:var(--cyan);font-size:18px}
.builds-section{background:#080b10}
.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.project-card{border:1px solid var(--line);background:linear-gradient(145deg,rgba(255,255,255,.045),rgba(255,255,255,.015));border-radius:18px;overflow:hidden;transform-style:preserve-3d;transition:border-color .35s,box-shadow .35s}
.project-card:hover{border-color:rgba(108,246,255,.28);box-shadow:0 25px 80px rgba(0,0,0,.3)}
.project-card--featured{grid-column:span 2;display:grid;grid-template-columns:1.15fr 1fr}
.project-card__visual{min-height:300px;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 40%,rgba(108,246,255,.14),transparent 45%),#0a0f16}
.project-card__visual--green{background:radial-gradient(circle at 50% 40%,rgba(168,255,120,.12),transparent 50%),#0a0f12}
.project-card__visual--violet{background:radial-gradient(circle at 50% 40%,rgba(185,156,255,.14),transparent 50%),#0c0b13}
.project-card__visual--orange{background:radial-gradient(circle at 50% 40%,rgba(255,177,108,.14),transparent 50%),#110d0a}
.visual-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:30px 30px;transform:perspective(300px) rotateX(60deg) scale(1.4);transform-origin:bottom;opacity:.45}
.visual-label{position:absolute;left:20px;bottom:18px;font:8px var(--mono);letter-spacing:.14em;color:#657081}
.server-stack{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotateX(55deg) rotateZ(-25deg);width:190px;height:190px;transform-style:preserve-3d}
.server-stack i{position:absolute;left:0;right:0;height:35px;border:1px solid rgba(108,246,255,.45);background:rgba(10,22,28,.8);box-shadow:0 0 30px rgba(108,246,255,.09),inset 0 0 20px rgba(108,246,255,.04)}
.server-stack i:nth-child(1){top:0}.server-stack i:nth-child(2){top:48px}.server-stack i:nth-child(3){top:96px}.server-stack i:nth-child(4){top:144px}
.server-stack i::after{content:"";display:block;width:7px;height:7px;background:var(--cyan);border-radius:50%;margin:13px;box-shadow:0 0 12px var(--cyan)}
.route{position:absolute;height:1px;background:var(--green);box-shadow:0 0 14px var(--green);transform-origin:left;animation:route 3s infinite}
.route-a{width:65%;left:12%;top:35%;transform:rotate(17deg)}.route-b{width:55%;left:35%;top:63%;transform:rotate(-25deg);animation-delay:.8s}.route-c{width:40%;left:20%;top:76%;transform:rotate(7deg);animation-delay:1.5s}
.map-pin{position:absolute;left:54%;top:49%;font-size:26px;color:var(--green);text-shadow:0 0 20px var(--green);animation:pin 2s infinite}
@keyframes route{0%,100%{opacity:.2;transform:scaleX(.5) rotate(17deg)}50%{opacity:1;transform:scaleX(1) rotate(17deg)}}@keyframes pin{50%{transform:translateY(-6px) scale(1.1)}}
.pulse-ring{position:absolute;width:150px;height:150px;border:1px solid rgba(185,156,255,.5);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);animation:ring 2.4s infinite}
.pulse-ring--2{animation-delay:1.2s}
@keyframes ring{0%{opacity:.7;transform:translate(-50%,-50%) scale(.3)}100%{opacity:0;transform:translate(-50%,-50%) scale(1.5)}}
.heart-line{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:34px;letter-spacing:-10px;color:var(--violet);text-shadow:0 0 20px var(--violet);animation:heartbeat 1.4s infinite}
@keyframes heartbeat{50%{transform:translate(-50%,-50%) scale(1.07)}}
.calendar-3d{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotateX(55deg) rotateZ(-15deg);display:flex;gap:5px}
.calendar-3d span{width:58px;height:78px;display:grid;place-items:center;border:1px solid rgba(255,177,108,.45);background:rgba(36,20,12,.7);font:18px var(--mono);color:var(--orange);box-shadow:0 20px 40px rgba(0,0,0,.35)}
.project-card__body{padding:28px}
.project-card__eyebrow{display:flex;justify-content:space-between;font:9px var(--mono);color:#758091;letter-spacing:.12em}
.project-card__eyebrow span{color:var(--green)}
.project-card h3{font-size:30px;letter-spacing:-.05em;margin:22px 0 10px}
.project-card p{font-size:13px;line-height:1.7;color:#858e9d;max-width:600px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:22px 0}
.tags span{font:8px var(--mono);padding:6px 8px;border:1px solid var(--line);border-radius:5px;color:#8993a2}
.text-link{font:10px var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--cyan)}
.metric{display:block;margin-top:24px;font-size:34px;font-weight:700;letter-spacing:-.06em;color:var(--violet)}
.metric small{font:9px var(--mono);font-weight:400;color:#777f8d;letter-spacing:.1em;text-transform:uppercase}
.about-section{display:grid;grid-template-columns:1.1fr .9fr;gap:7vw;background:linear-gradient(180deg,#080b10,#07090d)}
.terminal{border:1px solid var(--line);border-radius:16px;background:#05070a;box-shadow:0 30px 90px rgba(0,0,0,.3);overflow:hidden;align-self:start}
.terminal__bar{height:42px;display:flex;align-items:center;gap:9px;padding:0 14px;border-bottom:1px solid var(--line);font:9px var(--mono);color:#657080}
.terminal__bar>span:nth-child(2){margin:auto}
.terminal__dots{display:flex;gap:5px}.terminal__dots i{width:7px;height:7px;border-radius:50%;background:#333b48}
.terminal__body{padding:24px;font:11px/1.7 var(--mono);color:#8791a1;min-height:340px}
.terminal__body p{margin:0 0 12px}
.prompt{color:var(--green)}
.terminal__answer{color:#c8ced8}
.terminal__status{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:15px 0 25px;padding:15px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.02)}
.terminal__status span{color:#667181}.terminal__status b{display:block;color:#bfc6d0;font-weight:400;margin-top:3px}
.caret{color:var(--cyan);animation:blink 1s steps(2) infinite}@keyframes blink{50%{opacity:0}}
.about-copy{padding-top:20px}.about-copy h2{font-size:clamp(40px,4.4vw,68px);line-height:.96;letter-spacing:-.065em;margin:20px 0 30px}
.about-copy>p{color:#8c95a3;line-height:1.8;font-size:14px;max-width:600px}
.credential-grid{margin-top:35px;border-top:1px solid var(--line)}
.credential-grid div{display:grid;grid-template-columns:70px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid var(--line);font-size:11px;color:#818b9b}
.credential-grid b{font:10px var(--mono);color:var(--cyan)}
.contact-section{min-height:78vh;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;background:#05070a}
.contact__orb{position:absolute;width:55vw;height:55vw;max-width:750px;max-height:750px;right:-18vw;top:0;border-radius:50%;background:radial-gradient(circle,rgba(108,246,255,.12),transparent 58%);filter:blur(20px)}
.contact__content{position:relative;z-index:2}.contact__content h2{font-size:clamp(55px,8vw,125px);line-height:.82;letter-spacing:-.085em;margin:25px 0}.contact__content h2 em{font-style:normal;color:transparent;-webkit-text-stroke:1px #8d97a6}.contact__content p{color:#7e8898;font-size:15px}
.contact-email{display:inline-flex;gap:20px;align-items:center;font-size:clamp(18px,2vw,27px);margin-top:20px;border-bottom:1px solid rgba(108,246,255,.35);padding-bottom:8px;color:var(--cyan)}
.contact-links{display:flex;gap:25px;margin-top:45px;font:10px var(--mono);text-transform:uppercase;letter-spacing:.1em;color:#798392}
.contact-links a:hover{color:var(--cyan)}
.code-window{width:min(400px,100%);margin-left:auto;border:1px solid var(--line);border-radius:14px;background:#0a0d12;box-shadow:0 30px 100px rgba(0,0,0,.45);transform:rotate(4deg);padding:18px;transition:transform .5s var(--ease)}
.code-window:hover{transform:rotate(0) translateY(-8px)}
.code-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#39414f;margin-right:5px}
.code-window pre{margin:30px 0 10px;overflow:auto;font:11px/1.9 var(--mono);color:#a9b4c4}
.code-window code{white-space:pre}
.footer{border-top:1px solid var(--line);padding:20px 7vw;display:flex;justify-content:space-between;font:8px var(--mono);letter-spacing:.12em;color:#596474}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media(max-width:1000px){
  .nav__links{display:none}
  .hero{min-height:auto;padding-top:140px;display:block}
  .hero__content{width:100%}
  .hero__portrait-wrap{position:relative;right:auto;top:auto;transform:none;width:min(560px,88vw);height:620px;margin:80px auto 30px}
  .hero__side-note{display:none}
  .stack-layout,.about-section,.contact-section{grid-template-columns:1fr}
  .stack-orbit{height:430px}
  .project-card--featured{grid-column:span 2}
  .code-window{margin:30px 0 0}
}
@media(max-width:700px){
  .nav{padding:0 5vw}.brand__text{display:none}.nav__status{padding:8px 10px}
  .section{padding:90px 5vw}
  .hero__title{font-size:clamp(53px,16vw,90px)}
  .hero__lead{font-size:15px}
  .hero__actions{flex-wrap:wrap;margin-bottom:40px}
  .hero__telemetry{gap:20px;flex-wrap:wrap}
  .hero__portrait-wrap{height:540px;width:92vw}
  .floating-chip{display:none}
  .section-head{grid-template-columns:40px 1fr;gap:10px}
  .section-head p{grid-column:2;margin-top:8px}
  .section-head h2{font-size:44px}
  .stack-orbit{transform:scale(.78);margin:-40px -60px;height:400px}
  .project-grid{grid-template-columns:1fr}
  .project-card--featured{grid-column:auto;display:block}
  .project-card__visual{min-height:250px}
  .about-section{gap:50px}
  .terminal__status{grid-template-columns:1fr}
  .contact__content h2{font-size:17vw}
  .footer{flex-direction:column;gap:8px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  #space{display:none}
}

/* loader safety */
.loader{animation:loaderSafety 0s 2s forwards}@keyframes loaderSafety{to{opacity:0;visibility:hidden;pointer-events:none}}